1580335360

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{39827}}^1$

素因数の和:39879

約数の個数: 72

約数和(自身を含む): 3907604736

約数和(自身を除く): 2327269376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3968, 4960, 7936, 9920, 19840, 39680, 39827, 79654, 159308, 199135, 318616, 398270, 637232, 796540, 1234637, 1274464, 1593080, 2469274, 2548928, 3186160, 4938548, 5097856, 6173185, 6372320, 9877096, 10195712, 12346370, 12744640, 19754192, 24692740, 25489280, 39508384, 49385480, 50978560, 79016768, 98770960, 158033536, 197541920, 316067072, 395083840, 790167680, 1580335360]

約数ペア:

[(1, 1580335360), (2, 790167680), (4, 395083840), (5, 316067072), (8, 197541920), (10, 158033536), (16, 98770960), (20, 79016768), (31, 50978560), (32, 49385480), (40, 39508384), (62, 25489280), (64, 24692740), (80, 19754192), (124, 12744640), (128, 12346370), (155, 10195712), (160, 9877096), (248, 6372320), (256, 6173185), (310, 5097856), (320, 4938548), (496, 3186160), (620, 2548928), (640, 2469274), (992, 1593080), (1240, 1274464), (1280, 1234637), (1984, 796540), (2480, 637232), (3968, 398270), (4960, 318616), (7936, 199135), (9920, 159308), (19840, 79654), (39680, 39827)]